Commuters ride pedicabs along a flooded highway in Paranaque, Metro Manila September 23, 2013. Heavy monsoon rains since Sunday have caused flooding in parts of Metro Manila and the nearby provinces, making roads impassable to small vehicles. (Photo: Reuters)

Super Typhoon Usagi is seen heading west-northwest between the Philippines and Taiwan through the Luzon Strait on Sept. 20. The image is by the National Oceanic and Atmospheric Administration. With center winds of 127 mph and gusts of up to 150 mph, Typhoon Usagi, the strongest storm to hit the Western Pacific this year, moved northwest at between the Philippines and Taiwan and has reached Hong Kong and south China. (Photo: Reuters)

Landslides in the Philippines have killed 20 people after powerful monsoon rains pummeled the country's northwest region on Monday, according to AP. The heavy downpour came just days after typhoon Usagi, the most powerful typhoon of 2013, passed between the Philippines and southern Taiwan on Sept. 19.

According to The Guardian, villagers and soldiers used shovels, pots and even their hands to recover 15 bodies buried in mud in two villages in the northwest province of Zambales. The landslides also claimed the lives of five people in nearby villages. "This is the first after a long time that we were hit by this kind of deluge," Jeffrey Khonghun, mayor of Subic, Zambales, told Manila's DZBB radio network.

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The latest disaster brings the death toll from storms across Asia to 47, AP reports.

Typhoon Usagi is the strongest storm of the 2013 typhoon season. Winds reached 125 mph, with gusts hitting even harder. By Monday, the typhoon had reached southern China, slamming into the mainland with winds so strong they blew cars off the road, according to USA Today. More than 250 incoming and outgoing flights were canceled in Hong Kong, with hundreds more delayed.

But the deadliest typhoon of the season so far has been Utor, which killed 159 people in the Philippines, Hong Kong and China. Utor made landfall on August 11 over Luzon, Philippines, and reached China on August 14.

The first storm of the 2013 seasons formed on January 1, 2013. There have been 20 storms total this year, including three typhoons.

And the season isn't over yet. The 2013 Pacific typhoon season will last until the end of the year. According to Typhoon Storm watch 2013, Tropical Storm Pabuk is currently intensifying on the open waters of the western north Pacific. A ragged eye, a noncircular storm eye, should form in the next few days, computer models predict.